Ensign Peak Advisors
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Ensign Peak Advisors’s Prothena Corp PRTA Stock Holding History

Ensign Peak Advisors’s Portfolio PRTA Stock Details PRTA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-21,643
Closed -$131K – 1719
2025
Q2 		$131K Hold
21,643
– – ﹤0.01% 1693
2025
Q1 		$268K Hold
21,643
– – ﹤0.01% 1655
2024
Q4 		$300K Hold
21,643
– – ﹤0.01% 1676
2024
Q3 		$362K Hold
21,643
– – ﹤0.01% 1662
2024
Q2 		$447K Buy
21,643
+5,050
+30% +$109K ﹤0.01% 1631
2024
Q1 		$411K Sell
16,593
-64,241
-79% -$1.91M ﹤0.01% 1661
2023
Q4 		$2.94M Sell
80,834
-45,388
-36% -$1.75M 0.01% 766
2023
Q3 		$6.09M Hold
126,222
– – 0.01% 517
2023
Q2 		$8.62M Buy
126,222
+600
+0.5% +$38.7K 0.02% 457
2023
Q1 		$6.09M Buy
125,622
+200
+0.2% +$10.6K 0.01% 516
2022
Q4 		$7.56M Buy
125,422
+63,665
+103% +$3.73M 0.02% 471
2022
Q3 		$3.75M Buy
61,757
+11,880
+24% +$376K 0.01% 598
2022
Q2 		$1.35M Hold
49,877
– – ﹤0.01% 971
2022
Q1 		$1.82M Buy
49,877
+10,880
+28% +$392K ﹤0.01% 929
2021
Q4 		$1.93M Buy
38,997
+16,835
+76% +$934K ﹤0.01% 975
2021
Q3 		$1.58M Buy
22,162
+4,534
+26% +$282K ﹤0.01% 1240
2021
Q2 		$906K Hold
17,628
– – ﹤0.01% 1467
2021
Q1 		$443K Hold
17,628
– – ﹤0.01% 1616
2020
Q4 		$212K Hold
17,628
– – ﹤0.01% 1716
2020
Q3 		$176K Buy
+17,628
New +$212K ﹤0.01% 1675

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Ensign Peak Advisors's PRTA Position: Q3 2025 in Review

Ensign Peak Advisors sold out of Prothena Corp (PRTA) in Q3 2025, closing a stake of 21,643 shares — an estimated $131K sold.

Ensign Peak Advisors first reported a position in PRTA in Q3 2020 and held it in 20 quarters. The position peaked at $8.62M in Q2 2023. 187 funds tracked by Wall St. Rank hold PRTA as of Q3 2025.

  • Ensign Peak Advisors reported no remaining Prothena Corp position as of Q3 2025 after selling out during the quarter.
  • Ensign Peak Advisors sold 21,643 Prothena Corp shares in Q3 2025, an estimated $131K.
  • Ensign Peak Advisors first reported a position in Prothena Corp in Q3 2020 and held it in 20 quarters.
  • Ensign Peak Advisors's Prothena Corp position peaked at $8.62M in Q2 2023.
  • 187 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2025.

Based on Ensign Peak Advisors's 13F filing for Q3 2025, filed 13 Nov 2025.